Significantly, he has learnt not run too far up into a tree when on a leash - trained langurs often run the risk of accidentally hanging themselves by the chains or ropes around their necks.

BBC: Meet India's latest Games recruit - Chhotu the monkey

Now paths run through palm-tree groves to guesthouses, beachfront restaurants serve up the morning haul and beach-umbrella wallahs offer shade and lounge chairs.

BBC: The perfect trip: Kerala, India

The theoretical component of the course included training in how to set up and run a small business, in this case tree nurseries.

UNESCO: Ecological Sciences for Sustainable Development